ArticleScientific reports2015
Abnormal pairing of X and Y sex chromosomes during meiosis I in interspecific hybrids of Phodopus campbelli and P. sungorus.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- Different complex regulatory phenotypes underlie hybrid male sterility in divergent rodent crosses.Genetics · 2025Article
- Different complex regulatory phenotypes underlie hybrid male sterility in divergent rodent crosses.bioRxiv : the preprint server for biology · 2024Article
- Unraveling patterns of disrupted gene expression across a complex tissue.Evolution; international journal of organic evolution · 2022Article
- The high diversity of gametogenic pathways in amphispermic water frog hybrids from Eastern Ukraine.PeerJ · 2022Article
- Rapid Macrosatellite Evolution Promotes X-Linked Hybrid Male Sterility in a Feline Interspecies Cross.Molecular biology and evolution · 2021Article
- X chromosome-dependent disruption of placental regulatory networks in hybrid dwarf hamsters.Genetics · 2021Article
- Reproductive Isolation Between Taxonomically Controversial Forms of the Gray Voles (Frontiers in genetics · 2021Article
- Meiotic Nuclear Architecture in Distinct Mole Vole Hybrids with Robertsonian Translocations: Chromosome Chains, Stretched Centromeres, and Distorted Recombination.International journal of molecular sciences · 2020Article
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- Cytological basis of sterility in male and female hybrids between sibling species of grey voles Microtus arvalis and M. levis.Scientific reports · 2016Article
- The cryptic Y-autosome translocation in the small Indian mongoose, Herpestes auropunctatus, revealed by molecular cytogenetic approaches.Chromosoma · 2016Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hybrid sterility plays an important role in the maintenance of species identity and promotion of speciation. Male interspecific hybrids from crosses between Campbell's dwarf hamster (Phodopus campbelli) and the Djungarian hamster (P. sungorus) exhibit sterility with abnormal spermatogenesis. However, the meiotic phenotype of these hybrids has not been well described. In the present work, we observed the accumulation of spermatocytes and apoptosis of spermatocyte-like cells in the testes of hybrids between P. campbelli females and P. sungorus males. In hybrid spermatocytes, a high frequency of asynapsis of X and Y chromosomes during the pachytene-like stage and dissociation of these chromosomes during metaphase I (MI) was observed. No autosomal univalency was observed during pachytene-like and MI stages in the hybrids; however, a low frequency of synapsis between autosomes and X or Y chromosomes, interlocking and partial synapsis between autosomal pairs, and γ-H2AFX staining in autosomal chromatin was observed during the pachytene-like stage. Degenerated MI-like nuclei were frequently observed in the hybrids. Most of the spermatozoa in hybrid epididymides exhibited head malformation. These results indicate that the pairing of X and Y chromosomes is more adversely affected than that of autosomes in Phodopus hybrids.
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